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change title and tags to indicate questions is about ESRI ArcGIS Server, not FOSS MapServer
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How to extract data from a ESRI ArcGIS MapServer?

Edited to make the question somewhat clearer.
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Joseph
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I have connected my QGIS to the Sao Paulo Hydropower potential MapServer with a WMTS connection using the following URL:

http://tps.geosur.info/arcgis/rest/services/maps/GeoSUR_SPHydropower/MapServer/WMTS/1.0.0/WMTSCapabilities.xml

Hydropower potential

Visually this is great but how can I access the data source behind this specific layer: Hydropower Potential MW (ID: 7)?. In other words, Ihow can I click on a coloured line in QGIS to see what the potential value is?.

I noticed there is a link to a json version but not sure how to load this into QGIS (or if it'sit is indeed the best method).

I have connected my QGIS to the Sao Paulo Hydropower potential MapServer with a WMTS connection using the following URL:

http://tps.geosur.info/arcgis/rest/services/maps/GeoSUR_SPHydropower/MapServer/WMTS/1.0.0/WMTSCapabilities.xml

Hydropower potential

Visually this is great but how can I access the data source behind this specific layer: Hydropower Potential MW (ID: 7). In other words, I can click on a coloured line to see what the potential value is.

I noticed there is a link to a json version but not sure how to load this into QGIS (or if it's the best method).

I have connected my QGIS to the Sao Paulo Hydropower potential MapServer with a WMTS connection using the following URL:

http://tps.geosur.info/arcgis/rest/services/maps/GeoSUR_SPHydropower/MapServer/WMTS/1.0.0/WMTSCapabilities.xml

Hydropower potential

Visually this is great but how can I access the data source behind this specific layer: Hydropower Potential MW (ID: 7)?. In other words, how can I click on a coloured line in QGIS to see what the potential value is?.

I noticed there is a link to a json version but not sure how to load this into QGIS (or if it is indeed the best method).

Source Link
Joseph
  • 76.3k
  • 7
  • 172
  • 286

How to extract data from a MapServer?

I have connected my QGIS to the Sao Paulo Hydropower potential MapServer with a WMTS connection using the following URL:

http://tps.geosur.info/arcgis/rest/services/maps/GeoSUR_SPHydropower/MapServer/WMTS/1.0.0/WMTSCapabilities.xml

Hydropower potential

Visually this is great but how can I access the data source behind this specific layer: Hydropower Potential MW (ID: 7). In other words, I can click on a coloured line to see what the potential value is.

I noticed there is a link to a json version but not sure how to load this into QGIS (or if it's the best method).